
\begin{table}[!htbp] \centering 
  \caption{Treatment Effects on Market Fee Units} 
  \label{} 
\begin{tabular}{@{\extracolsep{5pt}}lcc} 
\\[-1.8ex]\hline 
\hline \\[-1.8ex] 
 & \multicolumn{2}{c}{\textit{Dependent variable:}} \\ 
\cline{2-3} 
 & Market DIM & Market DID \\ 
\hline \\[-1.8ex] 
 BU & 961.004 & $-$94.445 \\ 
  & (617.697) & (366.193) \\ 
  & & \\ 
 TD & 1,251.142$^{*}$ & $-$154.090 \\ 
  & (598.921) & (348.530) \\ 
  & & \\ 
 Both & 341.216 & $-$159.338 \\ 
  & (614.391) & (363.802) \\ 
  & & \\ 
\hline \\[-1.8ex] 
Observations & 123 & 108 \\ 
Adjusted R$^{2}$ & 0.137 & $-$0.093 \\ 
\hline 
\hline \\[-1.8ex] 
Notes & \multicolumn{2}{r}{$^{*}$p$<$0.05; $^{**}$p$<$0.01; $^{***}$p$<$0.001} \\ 
 & \multicolumn{2}{r}{Market-level models include block fixed-effects.} \\ 
\end{tabular} 
\end{table} 
